Beijing • Cambridge • Farnham • Köln • Sebastopol • Tokyo
Learning Python, Fifth Edition
by Mark Lutz
Copyright © 2013 Mark Lutz. All rights reserved.
Printed in the United States of America.
Published by O’Reilly Media, Inc., 1005 Gravenstein Highway North, Sebastopol, CA 95472.
O’Reilly books may be purchased for educational, business, or sales promotional use. Online editions are also available for most titles ( http://my.safaribooksonline.com). For more information, contact our
corporate/institutional sales department: 800-998-9938 or firstname.lastname@example.org.
Editor: Rachel Roumeliotis
Indexer: Lucie Haskins
Production Editor: Christopher Hearse
Cover Designer: Randy Comer
Copyeditor: Rachel Monaghan
Interior Designer: David Futato
Proofreader: Julie Van Keuren
Illustrator: Rebecca Demarest
Revision History for the Fifth Edition:
Nutshell Handbook, the Nutshell Handbook logo, and the O’Reilly logo are registered trademarks of O’Reilly Media, Inc. Learning Python, 5th Edition, the image of a wood rat, and related trade dress are trademarks of O’Reilly Media, Inc.
Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this book, and O’Reilly Media, Inc., was aware of a trademark claim, the designations have been printed in caps or initial caps.